<template>
    <el-card class="box-card">
        <el-card class="box-form">
            <template #header>
                <div class="card-header">
                    <h3>“微商城”后台管理系统</h3>
                </div>
            </template>
            <el-form ref="ruleFormRef" status-icon :model="form" :rules="rules" label-width="120px">
                <el-form-item prop="username" label="用户名：">
                    <el-input v-model="form.username" placeholder="请输入用户名" />
                </el-form-item>
                <el-form-item prop="password" label="密码：">
                    <el-input v-model="form.password" type="password" show-password placeholder="请输入密码" />
                </el-form-item>
                <el-form-item>
                    <el-button class="button" @click="submitForm(ruleFormRef)" type="primary"
                        size="large">登录</el-button>
                    <el-button class="button" @click="resetForm" type="info" size="large">重置</el-button>
                </el-form-item>
            </el-form>
        </el-card>
    </el-card>
</template>

<script setup>
import { ref, reactive } from 'vue'
import { login } from '../api'
import { useRouter } from 'vue-router'
import useToken from '../stores/token'
import notification from '../utils/notification'
const router = useRouter()
const { updateToken } = useToken()
const form = reactive({
    username: '',
    password: ''
})
const ruleFormRef = ref()
//表单提交
const submitForm = formEl => {
    formEl.validate(async valid => {
        if (valid) {
            const data = await login(form)
            if (data) {
                //登录成功
                // console.log(data);                
                updateToken(data.token)
                router.push({ name: 'index' })
            }
        } else {
            //表单填写有误
            notification({
                message: '表单填写有误',
                type: 'error'
            })
        }
    })
}
//表单重置
const resetForm = () => {
    ruleFormRef.value.resetFields()
}
const rules = reactive({
    username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 12, message: '用户名的长度为3-12个字符', trigger: 'blur' }
    ],
    password: [
        { required: true, message: '请输入密码', trigger: 'blur' },
        { min: 6, max: 24, message: '密码长度为6-24个字符', trigger: 'blur' }
    ]
})
</script>
<style lang="scss" scoped>
.box-card {
    height: 100%;
    background: rgba(38, 72, 176) url('/images/loginBg.jpg') center/cover no-repeat;
}

.box-form {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    max-width: 750px;
    transform: translate(-50%, -50%);

    .card-header {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .el-form {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        .el-form-item {
            width: 70%;
            display: flex;
            align-items: center;
            justify-content: center;
            --el-form-label-font-size: 16px;
            margin-top: 15px;
            margin-bottom: 15px;

            .button {
                width: 90px;
            }

            &.center {
                display: flex;
                justify-content: center;
            }
        }
    }
}
</style>